The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when you can plant asparagus lettuce by using the USDA zone info for Elmhurst.

Planting Calendar for Asparagus lettuce

Frost tolerance for asparagus lettuce:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since asparagus lettuce are not cold tolerant it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant asparagus lettuce in Elmhurst is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant asparagus lettuce and expect a good harvest is probably August. If you wait any later than that and your asparagus lettuce may not have a chance to fully mature. If you are starting your asparagus lettuce indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Elmhurst. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Elmhurst is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Elmhurst it frosts late in the year after April 15 so just be sure to be ready to protect your asparagus lettuce in the event of a surprise late frost.

USDA Zone Info for Elmhurst

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Elmhurst

You may be interested in your other planting guides for Elmhurst.